# Warm nighttime temperatures can knock corn yields

> Agronomists report that warmer-than-normal nighttime temperatures during the 2016 reproductive stage may have reduced corn yields in the eastern Corn Belt. Late-season diseases were also a factor in some areas.

- Date: 2017-02-03 · published 2017-02-03T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/72342-warm-nighttime-temperatures-can-knock-corn-yields
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

The effect concerns the 2016 crop, which is already harvested and priced, so it has limited direct impact on current prices, though it signals that heat stress risk matters for future yields.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2018-12-07 | [Corn yield higher as temperatures warm - Spartan Newsroom](https://feedsoft.ai/events/61430-corn-yield-higher-as-temperatures-warm-spartan-newsroom.md) | +0.5% | +2.0% |
| CORN | 2018-08-15 | [Warm Nights & High Yields of Corn: Oil & Water? (Purdue University)](https://feedsoft.ai/events/63399-warm-nights-and-high-yields-of-corn-oil-and-water-purdue-university.md) | -0.6% | -1.5% |
| CORN | 2022-07-25 | [Could high temperatures, drought hammer 2022 corn, soybeans?](https://feedsoft.ai/events/13347-could-high-temperatures-drought-hammer-2022-corn-soybeans.md) | -0.8% | +3.7% |
| CORN | 2023-07-27 | [How Extreme Heat Can Affect Corn Yield](https://feedsoft.ai/events/13265-how-extreme-heat-can-affect-corn-yield.md) | -13.2% | -14.2% |
| CORN | 2022-04-25 | [Corn, soybean planting in Illinois delayed by cold temperatures and rain](https://feedsoft.ai/events/13373-corn-soybean-planting-in-illinois-delayed-by-cold-temperatures-and-rain.md) | +0.4% | -2.0% |
| SOY | 2022-07-25 | [Could high temperatures, drought hammer 2022 corn, soybeans?](https://feedsoft.ai/events/13347-could-high-temperatures-drought-hammer-2022-corn-soybeans.md) | +14.1% | +3.8% |
| SOY | 2022-04-25 | [Corn, soybean planting in Illinois delayed by cold temperatures and rain](https://feedsoft.ai/events/13373-corn-soybean-planting-in-illinois-delayed-by-cold-temperatures-and-rain.md) | -0.5% | -0.6% |
| SOY | 2022-07-11 | [What to Expect as Corn Yields Face a Third Straight La Niña - farmdoc daily](https://feedsoft.ai/events/13711-what-to-expect-as-corn-yields-face-a-third-straight-la-nina-farmdoc-daily.md) | -10.1% | -1.0% |

## Sources

- farmprogress.com: https://www.farmprogress.com/corn/warm-nighttime-temperatures-can-knock-corn-yields

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.